Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Priority to JP163075ApriorityCriticalpatent/JPS5178960A/ja
Priority to DE2540011Aprioritypatent/DE2540011C3/de
Publication of JPS5178960ApublicationCriticalpatent/JPS5178960A/ja
Priority to US05/930,679prioritypatent/US4231098A/en
Publication of JPS5632661B2publicationCriticalpatent/JPS5632661B2/ja